In general, each species of fruit fly in the Hawaiian archipelago is restricted to a single island. One hypothesis to explain this pattern is that new species formed after a small number of flies colonized each new island
This mechanism of speciation is called
A) artificial selection.
B) genetic equilibrium.
C) assortative mating.
D) the founder effect.
E) sexual selection.
D
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The part of the diencephalon that regulates the body's internal environment is called the ___________
Fill in the blank(s) with the appropriate word(s)
Genome-wide association scans compare the proteins of individuals with a particular disease to
individuals without the disease. _________________ Indicate whether the statement is true or false.
A different pattern of methylation in genes responsible for glucose and fatty acid metabolism is common in individuals _______________.
A. with cancer. B. conceived during famine C. exposed to chemicals in cigarette smoke D. with young parents E. of certain ethnic groups
Nocardia are typically found in which of the following environments?
A. Root nodules of some higher plants B. Geothermally heated springs C. Soil D. Intestinal tract of warm-blooded animals